In a sailboat, a canoe or stowed away on a ship: during the Second World War, many Leiden students tried to cross the sea to join the Allies in Britain. ‘Soldier of Orange’ is the most famous, but who were the other ‘England voyagers’ or Engelandvaarders as they are known?

Lecture, Unfolding Finitudes

On Friday, June 28, 2024, emeritus professor Rudy B. Andeweg passed away. His passing marks the loss of an important figure within the field of political science, not only nationally, but internationally. Here we remember an outstanding researcher, inspiring teacher, capable administrator and an involved…

Study support, Arts and leisure, Arts and leisure

In the MS Cognitietour, psychologists and neuroscientists from Leiden University discuss the latest scientific knowledge with MS patients and their loved ones. This leads to insights: 'One lady told how much stress she felt from all those caregivers around her bed.'

Oberon Janszen, alumnus Bestuurskunde, ging na zijn studie als stagiair bij de Inspectie der Rijksfinanciën aan de slag

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, was interviewed by EUobserver and Al Jazeera English on the European Commission’s newly unveiled Digital Omnibus package – a set of proposals that would amend the GDPR, the AI Act, cookie rules and parts of the EU’s cybersecurity…

The night side of exoplanet WASP-43b, to the surprise of astronomers, does not appear to contain methane. It is likely that extreme winds do not allow enough time for methane to form in detectable amounts. This is the conclusion of an international team of scientists, with Leiden and Amsterdam contributions,…

People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…

It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden PhD candidate Samuel Schwab has found that the histones in these organisms are much more diverse than previously thought. Schwab and his colleagues describe…

In our collective journey to bridge social, economic, and cultural inequality in society, we must al play a part, says Wilco van Dijk. Unfortunately, notes Carolien Rieffe, minority groups are often not included in this 'we.' This became a focal point of discussion during the fifth Psychology Connected…

An international team of astronomers including Leiden professor Ewine van Dishoeck has observed the benzene molecule (C6H6) in a planet-forming disk around a young star for the first time. The observations tell us more about the forming of planets in this disc, like our own Earth. The scientists publish…

Hordes of photographers, students trying to catch a glimpse and take selfies, and cheering people at the entrance to Wijnhaven. Canadian Prime Minister Justin Trudeau and Prime Minister Mark Rutte were received like true pop stars, in the late afternoon at Leiden University’s Campus The Hague.

On Thursday 9 December, Dr Upik Djalins presented an online lecture, entitled 'The Colonial Bureaucratic Network versus the Metropole: The Origin Story of Land Alienation Prohibition in the 1870s East Indies'.

A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

On Thursday 23 November, Professor Betty de Hart delivered the lecture ‘Exploring the Legal Archive on Race: Methodological Challenges’ as part of the lecture series ‘Reconsidering the Socio-Legal Gaze’ organized by the Van Vollenhoven Institute. Over 40 people attended the lecture, held online due…

The symposium will be held on 11 June 2025 from 10.00-17.00 and is organized as a starting point for the publication of an edited volume – a selection of symposium attendants will be invited to submit book chapters.

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

In het onderzoek van docent Martijn Nouwen wordt voor het eerst aan het grote publiek blootgelegd hoe de ‘geheime’ Europese Gedragscodegroep er niet in is geslaagd om verschillende vormen van schadelijke belastingconcurrentie uit te bannen.

An international team of astronomers led by Violeta Gámez Rosas (Leiden University) has observed a supermassive black hole hidden in a ring of dust. This discovery fits the idea that the so-called active centers of galaxies are much more similar than observations show, because the viewing angle from…

The Yemen Amsterdam Library, or Maktabat al-Yaman al-Amstirdāmīyah, of eminent Yemen specialist Dr C.G. Brouwer has now been fully integrated in the collections of Leiden University Libraries (UBL). Books and other documents from the collection are now available for loan via the UBL Catalogue.

Academics are increasingly facing threats, harassment and hate speech following public appearances. The Dutch universities – united in the Association of Universities in the Netherlands (VSNU) – is now adopting a number of national measures, from a zero-tolerance policty to psychosocial help for vic…

Cancer immunotherapy represents a significant breakthrough in cancer treatment. However, tumors have numerous mechanisms by which they evade destruction by the immune system. It is therefore necessary to decipher and reverse these mechanisms in order to improve immunotherapies.

On 28 January 2025, Philip Purnell successfully defended his PhD thesis at Leiden University, titled "Bibliometrics in the Context of Research Evaluation and Research Policy".

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This time he…

A cannon, a sabre, guns: these Sri Lankan objects had been in the Rijksmuseum for centuries. In early December, they were returned to Sri Lanka. Associate Professor of Colonial History Alicia Schrikker led the research that formed the basis for the restitution and published a volume on the findings…

Catherine Wood and Martijn van Ette recently joined the Institute for History as PhD candidates in the NWO Vidi-funded project "American foreign policy and liberalism", led by Andrew Gawthorpe. Below they introduce themselves.

Conference, Symposium

Middle East Studies Lecture

Lecture, Studium Generale

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…